How about using the alternate single quotes in ruby
%q{string string string}
Max
On 11/21/11, Phil Frost <ind...@bitglue.com> wrote:
> On 11/21/2011 01:30 AM, Douglas Garstang wrote:
>> Grrr. I have the exec{} below in my puppet module. How do I escape the
>> \ characters? I've tried every possible combination I can think of.
>> I've used one, I've used two, and I've used THREE \.
>>
>> exec {
>> 'oracle-extract-part':
>> command => "/usr/bin/printf
>> \"n\np\n2\n2091\n+16384M\nw\n\" | /sbin/fdisk /dev/xvdj",
>> unless => "/bin/cat /proc/partitions | /bin/grep
>> ${orcl_ephm_device}2";
>> }
>
> Sounds like you need to use FOUR. Say you wanted to use printf to print
> a newline. You would run this:
>
> (1) printf \n
>
> But, the backslash has special meaning in bash (or most shells). If you
> type that in bash, you have to escape it, one of these ways:
>
> (2) printf \\n
> (3) printf '\n'
>
> Puppet runs commands through a shell. So, you will have to apply
> escaping appropriate for whatever shell is in use.
>
> But, the command is also in a string. Backslashes have special meaning
> in puppet strings. So, we know the command we want to give to bash is:
>
> (4) printf \\n
>
> To put that in a puppet string we need to escape the \:
>
> (5) "printf \\\\n"
>
> If you don't like all the backslashes, you could give single quotes to bash:
>
> (6) "printf '\\n'"
>
> This is example 3, quoted with puppet's rules. You could also use single
> quotes in Puppet, but Puppet's single-quote strings still find special
> meaning in \, so it doesn't really get you anything, and if you are
> using single quotes for bash it's actually worse. You'd need this:
>
> (7) 'printf \'\\n\''
>
> Given (7), puppet will give (8) to bash:
>
> (8) printf '\n'
>
> and bash will give to exec():
>
> (9) printf \n
>
> Make sense?
>
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